Jing L. Marantz
CIK 1834528 · CHIEF MEDICAL OFFICER · last filed 2026-02-19
Jing L. Marantz is a CHIEF MEDICAL OFFICER who has filed 18 SEC Form 4 insider transactions across 3 companies since 2021. The most recent filing shows the insider sold $193.4K of SRRK on Feb 19, 2026. Across all open-market trades the lifetime net is −$4.1M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $5.6M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$5.59M
3
18
-$4.06M
Holdings By Company
Recent Filings
18 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-02-19 | SRRK | Sell (S) | −4,157 | -$193.4K | EDGAR |
| 2026-02-11 | SRRK | Grant (A) | +34,482 | $0 | EDGAR |
| 2026-01-21 | SRRK | Sell (S) | −5,798 | -$257.9K | EDGAR |
| 2025-06-11 | ARCT | Grant (A) | — | $0 | EDGAR |
| 2025-03-12 | SRRK | Grant (A) | +34,285 | $0 | EDGAR |
| 2025-01-21 | SRRK | Sell (S) | −5,655 | -$249.9K | EDGAR |
| 2024-11-26 | SRRK | Mixed | — | -$242.6K | EDGAR |
| 2024-11-13 | SRRK | Mixed | — | -$45.1K | EDGAR |
| 2024-10-07 | SRRK | Mixed | — | -$2.04M | EDGAR |
| 2024-06-18 | ARCT | Mixed | +3,131 | $0 | EDGAR |